A Phase 1 Dose Escalation Trial of SYN125 Single Agent in Solid Tumors and in Combination With Fixed Dose SYN004 in Patients With Epithelial Cancers With EGFR Expressions.

A Phase 1 Dose Escalation Trial of SYN125 Single Agent in the Treatment of Solid Tumors and in Combination With Fixed Dose SYN004 in Patients With Cancer of the Internal or External Lining of the Body.

开始日期2020-04-09

申办/合作机构

兴盟生物科技股份有限公司

[+1]

CTR20170969 / Completed临床1期

重组抗EGFR单克隆抗体注射液LR004治疗晚期实体瘤患者的耐受性、药代动力学、安全性的Ⅰa期临床试验

评价重组抗EGFR单克隆抗体注射液(LR004)在实体瘤患者中单剂量及多剂量给药的安全性和耐受性，确定其最大耐受剂量（MTD）和剂量限制性毒性（DLT）。评价LR004在实体瘤患者中的药代动力学特征；评价LR004在实体瘤患者中的安全性；初步观察LR004单药治疗实体瘤患者的疗效。

开始日期2017-11-13

申办/合作机构

兴盟生物科技（北京）有限公司

[+1]

100 项与重组抗EGFR单抗(深圳龙瑞药业有限公司) 相关的临床结果

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项与重组抗EGFR单抗(深圳龙瑞药业有限公司) 相关的文献（医药）

2022-05-26·Journal of medicinal chemistry1区 · 医学

Rational Design and Systemic Appraisal of an EGFR-Targeting Antibody–Drug Conjugate LR-DM1 for Pancreatic Cancer

1区 · 医学

Article

作者: Hu, Shangjiu ; Gong, Jianhua ; He, Hongwei ; Wang, Yucheng ; Zhu, Mei ; Wang, Minghua ; Wang, Juxian ; Zhou, Lei ; Miao, Qingfang ; Zhang, Guoning ; Zhang, Na

By harnessing the payload DM1 and a monoclonal antibody LR004 through a noncleavable linker succinimidyl-4-(N-maleimidomethyl)-cyclohexane-1-carboxylate, we designed and evaluated an antibody-drug conjugate LR-DM1 with an appropriate drug-antibody ratio of 3.6. LR-DM1, which was targeted toward the epidermal growth factor receptor for pancreatic cancer, exhibited potent antiproliferation activity in vitro with a half-maximal inhibitory concentration value of 7.03 nM for Capan-2 cells. Particularly, it displayed prominent tumor growth inhibition in vivo under 20 mg/kg LR-DM1 dosage in a single administration or multiple administrations without apparent abnormality of pathological observation. Moreover, LR-DM1 possessed a relatively broad therapeutic index with a half-lethal dose above 300 mg/kg, which was over 15-fold higher than the highest administration dosage of 20 mg/kg. This initial study on LR-DM1 holds promise for further development of a new antibody drug conjugate that is transformative for treatment of patients concerned.

2021-12-01·Military Medical Research2区 · 医学

Excellent effects and possible mechanisms of action of a new antibody–drug conjugate against EGFR-positive triple-negative breast cancer

2区 · 医学

ArticleOA

作者: Sun, Li-Ping ; Bai, Wei-Qi ; Zhou, Dan-Dan ; Li, Zhuo-Rong ; Zhen, Yong-Su ; Miao, Qing-Fang ; Zhai, Xiao-Tian

Abstract:

Background:

Triple-negative breast cancer (TNBC) is the most aggressive subtype and occurs in approximately 15–20% of diagnosed breast cancers. TNBC is characterized by its highly metastatic and recurrent features, as well as a lack of specific targets and targeted therapeutics. Epidermal growth factor receptor (EGFR) is highly expressed in a variety of tumors, especially in TNBC. LR004-VC-MMAE is a new EGFR-targeting antibody–drug conjugate produced by our laboratory. This study aimed to evaluate its antitumor activities against EGFR-positive TNBC and further studied its possible mechanism of antitumor action.

Methods:

LR004-VC-MMAE was prepared by coupling a cytotoxic payload (MMAE) to an anti-EGFR antibody (LR004) via a linker, and the drug-to-antibody ratio (DAR) was analyzed by HIC-HPLC. The gene expression of EGFR in a series of breast cancer cell lines was assessed using a publicly available microarray dataset (GSE41313) and Western blotting. MDA-MB-468 and MDA-MB-231 cells were treated with LR004-VC-MMAE (0, 0.0066, 0.066, 0.66, 6.6 nmol/L), and the inhibitory effects of LR004-VC-MMAE on cell proliferation were examined by CCK-8 and colony formation. The migration and invasion capacity of MDA-MB-468 and MDA-MB-231 cells were tested at different LR004-VC-MMAE concentrations (2.5 and 5 nmol/L) with wound healing and Transwell invasion assays. Flow cytometric analysis and tumorsphere-forming assays were used to detect the killing effects of LR004-VC-MMAE on cancer stem cells in MDA-MB-468 and MDA-MB-231 cells. The mouse xenograft models were also used to evaluate the antitumor efficacy of LR004-VC-MMAE in vivo. Briefly, BALB/c nude mice were subcutaneously inoculated with MDA-MB-468 or MDA-MB-231 cells. Then they were randomly divided into 4 groups (n = 6 per group) and treated with PBS, naked LR004 (10 mg/kg), LR004-VC-MMAE (10 mg/kg), or doxorubicin, respectively. Tumor sizes and the body weights of mice were measured every 4 days. The effects of LR004-VC-MMAE on apoptosis and cell cycle distribution were analyzed by flow cytometry. Western blotting was used to detect the effects of LR004-VC-MMAE on EGFR, ERK, MEK phosphorylation and tumor stemness marker gene expression.

Results:

LR004-VC-MMAE with a DAR of 4.02 were obtained. The expression of EGFR was found to be significantly higher in TNBC cells compared with non-TNBC cells (P < 0.01). LR004-VC-MMAE inhibited the proliferation of EGFR-positive TNBC cells, and the IC50 values of MDA-MB-468 and MDA-MB-231 cells treated with LR004-VC-MMAE for 72 h were (0.13 ± 0.02) nmol/L and (0.66 ± 0.06) nmol/L, respectively, which were significantly lower than that of cells treated with MMAE [(3.20 ± 0.60) nmol/L, P < 0.01, and (6.60 ± 0.50) nmol/L, P < 0.001]. LR004-VC-MMAE effectively inhibited migration and invasion of MDA-MB-468 and MDA-MB-231 cells. Moreover, LR004-VC-MMAE also killed tumor stem cells in EGFR-positive TNBC cells and impaired their tumorsphere-forming ability. In TNBC xenograft models, LR004-VC-MMAE at 10 mg/kg significantly suppressed tumor growth and achieved complete tumor regression on day 36. Surprisingly, tumor recurrence was not observed until the end of the experiment on day 52. In a mechanistic study, we found that LR004-VC-MMAE significantly induced cell apoptosis and cell cycle arrest at G2/M phase in MDA-MB-468 [(34 ± 5)% vs. (12 ± 2)%, P < 0.001] and MDA-MB-231 [(27 ± 4)% vs. (18 ± 3)%, P < 0.01] cells. LR004-VC-MMAE also inhibited the activation of EGFR signaling and the expression of cancer stemness marker genes such as Oct4, Sox2, KLF4 and EpCAM.

Conclusions:

LR004-VC-MMAE showed effective antitumor activity by inhibiting the activation of EGFR signaling and the expression of cancer stemness marker genes. It might be a promising therapeutic candidate and provides a potential therapeutic avenue for the treatment of EGFR-positive TNBC.

2020-04-01·Clinical radiology4区 · 医学

Comparison of the diagnostic performance of the 2017 and 2018 versions of LI-RADS for hepatocellular carcinoma on gadoxetic acid enhanced MRI

4区 · 医学

Article

作者: Ahn, S ; Kim, Y K ; Ko, A ; Park, H J ; Park, S B ; Lee, E S ; Choi, S-Y

AIM:

To compare the diagnostic performance of the 2017 (v2017) and 2018 versions (v2018) of the Liver Imaging-Reporting and Data System (LI-RADS) for hepatocellular carcinoma (HCC) using gadoxetic acid-enhanced magnetic resonance imaging (Gd-EOB-MRI) and to evaluate the effect in v2018.

MATERIALS AND METHODS:

Treatment-naive patients at high-risk for HCC who underwent Gd-EOB-MRI were included. The LI-RADS categories were assigned according to v2017 and v2018. The diagnostic performances were compared between v2017 and v2018 according to the size and combination of imaging features.

RESULTS:

A total of 117 patients with 137 observations were identified, including 89 HCCs; 76.2% (64/84) of observations with threshold growth were re-classified as subthreshold growth when using v2018 instead of v2017. The final categories changed in nine (14%) cases. For the combination of LR-5/LR-5V, there were no significant differences in sensitivity and specificity between the two versions (sensitivity, 64% versus 58.4%; specificity, 87.5% versus 85.4%; all p>0.05). For the combination of LR-4 and LR-5/5V, the diagnostic performance of v2018 was inferior to that of v2017 when considering only major features (accuracy, 86.1% versus 80.3%, respectively; p=0.013), particularly in observations measuring 10-20 mm, but was comparable after adding the ancillary features (accuracy, 86.9% versus 86.1%, respectively; p=1.00).

CONCLUSION:

In LI-RADS v2018, although a considerable number of observations re-classified subthreshold growth, changes in the assigned categories were insignificant; overall diagnostic performance was comparable to that of v2017, but v2018 might emphasise the value of ancillary features in combination with major features for determining the probability of HCC.

项与重组抗EGFR单抗(深圳龙瑞药业有限公司) 相关的新闻（医药）

2024-08-02

·GlobeNewswire-Health Care

Theriva™ Biologics Receives Rare Pediatric Drug Designation by the U.S. FDA for VCN-01 for the Treatment of Retinoblastoma

July 31, 2024 -- Theriva™ Biologics, Inc. (NYSE American: TOVX), a diversified clinical-stage company developing therapeutics designed to treat cancer and related diseases in areas of high unmet need, today announced that the U.S. Food and Drug Administration (FDA) granted Rare Pediatric Drug Designation (RPDD) for VCN-01 for the treatment of retinoblastoma. VCN-01, Theriva’s lead product candidate, is a systemic, selective, stroma-degrading oncolytic adenovirus. Previously, the FDA granted orphan drug designation to VCN-01 for treatment of retinoblastoma. “The FDA’s decision to grant rare pediatric drug designation to VCN-01 highlights the urgent need for new treatment options for pediatric patients with retinoblastoma,” said Steven A. Shallcross, Chief Executive Officer of Theriva Biologics. “We are encouraged by this important step forward and, in parallel, continue to work closely with leading physicians and regulatory agencies to refine our clinical strategy for VCN-01 as an adjunct to chemotherapy in pediatric patients with advanced retinoblastoma. Most recently, results from the investigator sponsored Phase 1 trial evaluating the safety and activity of intravitreal VCN-01 in pediatric patients with refractory retinoblastoma were determined to be positive by the study Monitoring Committee. Data from this study will further inform our clinical development pathway in this area of high unmet need.” The FDA grants RPDD for rare diseases (fewer than 200,000 affected persons in the United States) that are serious and life-threatening and primarily affect children ages 18 years or younger. If a Biologics License Application for VCN-01 for the treatment of retinoblastoma is approved by the FDA, Theriva may be eligible to receive a Priority Review Voucher that can be redeemed to receive a priority review for any subsequent marketing application or may be sold or transferred. Retinoblastoma is a tumor that originates in the retina and is the most common type of eye cancer in children. It occurs in approximately 1/14,000 - 1/18,000 live newborns and accounts for 15% of the tumors in the pediatric population VCN-01 is a systemically administered oncolytic adenovirus designed to selectively and aggressively replicate within tumor cells and degrade the tumor stroma that serves as a significant physical and immunosuppressive barrier to cancer treatment. This unique mode-of-action enables VCN-01 to exert multiple antitumor effects by (i) selectively infecting and lysing tumor cells; (ii) enhancing the access and perfusion of co-administered chemotherapy products; and (iii) increasing tumor immunogenicity and exposing the tumor to the patient’s immune system and co-administered immunotherapy products. Systemic administration enables VCN-01 to exert its actions on both the primary tumor and metastases. VCN-01 has been administered to over 80 patients in Phase 1 and investigator-sponsored clinical trials of different cancers, including PDAC (in combination with chemotherapy), head and neck squamous cell carcinoma (with an immune checkpoint inhibitor), ovarian cancer (with CAR-T cell therapy), colorectal cancer, and retinoblastoma (by intravitreal injection). More information on these clinical trials is available at Clinicaltrials.gov. Theriva™ Biologics (NYSE American: TOVX), is a diversified clinical-stage company developing therapeutics designed to treat cancer and related diseases in areas of high unmet need. The Company is advancing a new oncolytic adenovirus platform designed for intravenous (IV), intravitreal and antitumoral delivery to trigger tumor cell death, improve access of co-administered cancer therapies to the tumor, and promote a robust and sustained anti-tumor response by the patient’s immune system. The Company’s lead candidates are: (1) VCN-01, an oncolytic adenovirus designed to replicate selectively and aggressively within tumor cells, and to degrade the tumor stroma barrier that serves as a significant physical and immunosuppressive barrier to cancer treatment; (2) SYN-004 (ribaxamase) which is designed to degrade certain commonly used IV beta-lactam antibiotics within the gastrointestinal (GI) tract to prevent microbiome damage, thereby limiting overgrowth of pathogenic organisms such as VRE (vancomycin resistant Enterococci) and reducing the incidence and severity of acute graft-versus-host-disease (aGVHD) in allogeneic hematopoietic cell transplant (HCT) recipients; and (3) SYN-020, a recombinant oral formulation of the enzyme intestinal alkaline phosphatase (IAP) produced under cGMP conditions and intended to treat both local GI and systemic diseases. For more information, please visit Theriva Biologics’ website at www.therivabio.com. The content above comes from the network. if any infringement, please contact us to modify.

免疫疗法孤儿药临床结果优先审批

2024-04-24

·GlobeNewswire-Health Care

Theriva™ Biologics to Present Preclinical Data Supporting the Potential Synergy of VCN-01 and First-Line Pancreatic Cancer Chemotherapy Regimens at the American Society for Cell and Gene Therapy 27th Annual Meeting

– Lead product candidate, VCN-01 in combination with liposomal irinotecan demonstrated enhanced anti-tumor effects in a human pancreatic mouse xenograft– – The observed synergy emphasizes VCN-01’s potential in diverse chemotherapy combinations for improved efficacy in the treatment of pancreatic cancer– April 22, 2024 -- Theriva™ Biologics (NYSE American: TOVX), a diversified clinical-stage company developing therapeutics designed to treat cancer and related diseases in areas of high unmet need, today announced the presentation of preclinical data demonstrating enhanced anti-tumor effects in human pancreatic cancer xenograft-bearing mice treated with lead product candidate VCN-01 and liposomal irinotecan. These data support the potential synergy of VCN-01 and first-line pancreatic cancer chemotherapy regimens, and will be featured in a poster presentation at the American Society for Cell and Gene Therapy (ASGCT) 27th Annual Meeting, being held both virtually and in Baltimore from May 7-11, 2024. “The data featured at the upcoming ASGCT meeting build on recent findings that suggest the combination of VCN-01 and topoisomerase I inhibitors, such as liposomal irinotecan, may provide a synergistic antitumor effect to improve therapeutic outcomes across indications,” said Steven A. Shallcross, Chief Executive Officer of Theriva Biologics. “We look forward to leveraging these findings and evaluating the combination of VCN-01 with additional first-line pancreatic cancer chemotherapy regimens, including NALIRIFOX and FOLFIRINOX. In parallel, we continue to progress our on-going VIRAGE Phase 2b trial evaluating VCN-01 in combination with gemcitabine/nab-paclitaxel to treat metastatic pancreatic ductal adenocarcinoma (PDAC). Together, these important steps bring us one step closer to building a portfolio of potentially improved therapeutic combinations for PDAC patients with high unmet medical needs.” Overview: The combination of VCN-01 + topoisomerase I (topo1) inhibitors, such as liposomal irinotecan, has a tolerable toxicity profile and may improve efficacy in the treatment of human pancreatic cancer. In vitro: Viral protein expression was increased in human pancreatic cancer cell lines when they were exposed to topo1 inhibiting chemotherapeutics, irinotecan, its active metabolite, SN-38, and topotecan. In vivo: Synergy of VCN-01 plus liposomal irinotecan was observed in animals bearing subcutaneous human pancreatic tumors. In human pancreatic mouse xenograft models, treatment with VCN-01 at a dose of 4x1010 vp or liposomal irinotecan alone (at both the 10 mg/kg and 5 mg/kg doses) resulted in significant tumor growth inhibition compared to saline. Combination therapy with VCN-01 + liposomal irinotecan at either dose displayed significantly reduced tumor growth compared to each treatment alone. qPCR analyses performed on tumors collected at end of study confirmed the presence of viral genomes, indicating ongoing transcriptional activity of VCN-01, which is consistent with viral replication for several days after administration. The full abstract (1760) for the poster presentation is accessible on the ASGCT Congress portal and the poster will be available starting, Friday, May 10, 2024. Additional details on the poster are provided below: Title: Enhanced Anti-Tumor Efficacy of Combination Therapy with the Oncolytic Adenovirus, VCN-01, and Liposomal Irinotecan in a Human Pancreatic Mouse Xenograft Session Title: Cancer - Oncolytic Viruses Presenting Author: Dr. Sheila Connelly, Vice President of Research, Theriva Biologics, Inc. Poster Session Date and Time: Friday, May 10, 2024 at 12:00 p.m. ET Theriva™ Biologics (NYSE American: TOVX), is a diversified clinical-stage company developing therapeutics designed to treat cancer and related diseases in areas of high unmet need. The Company is advancing a new oncolytic adenovirus platform designed for intravenous (IV), intravitreal and antitumoral delivery to trigger tumor cell death, improve access of co-administered cancer therapies to the tumor, and promote a robust and sustained anti-tumor response by the patient’s immune system. The Company’s lead candidates are: (1) VCN-01, an oncolytic adenovirus designed to replicate selectively and aggressively within tumor cells, and to degrade the tumor stroma barrier that serves as a significant physical and immunosuppressive barrier to cancer treatment; (2) SYN-004 (ribaxamase) which is designed to degrade certain commonly used IV beta-lactam antibiotics within the gastrointestinal (GI) tract to prevent microbiome damage, thereby limiting overgrowth of pathogenic organisms such as VRE (vancomycin resistant Enterococci) and reducing the incidence and severity of acute graft-versus-host-disease (aGVHD) in allogeneic hematopoietic cell transplant (HCT) recipients; and (3) SYN-020, a recombinant oral formulation of the enzyme intestinal alkaline phosphatase (IAP) produced under cGMP conditions and intended to treat both local GI and systemic diseases. For more information, please visit Theriva Biologics’ website at www.therivabio.com. The content above comes from the network. if any infringement, please contact us to modify.

临床结果

2024-03-11

·GlobeNewswire-Health Care

Theriva™ Biologics to Participate in the BIO-Europe Spring Conference

ROCKVILLE, Md., March 11, 2024 (GLOBE NEWSWIRE) -- Theriva™ Biologics (NYSE American: TOVX), a diversified clinical-stage company developing therapeutics designed to treat cancer and related diseases in areas of high unmet need, today announced that Company’s Management will provide a corporate update and participate in one-on-one meetings at the BIO-Europe Spring Conference, to be held in Barcelona, Spain from March 18-20, 2024. BIO-Europe Spring ConferenceFormat: Corporate presentation and one-on-one meetingsPresentation Date: Monday, March 18, 2024Presentation Time: 3:00pm CETPresentation Location: Room 133/134, Barcelona International Convention Centre (CCIB) About Theriva™ Biologics, Inc. Theriva™ Biologics (NYSE American: TOVX), is a diversified clinical-stage company developing therapeutics designed to treat cancer and related diseases in areas of high unmet need. The Company is advancing a new oncolytic adenovirus platform designed for intravenous (IV), intravitreal and antitumoral delivery to trigger tumor cell death, improve access of co-administered cancer therapies to the tumor, and promote a robust and sustained anti-tumor response by the patient’s immune system. The Company’s lead candidates are: (1) VCN-01, an oncolytic adenovirus designed to replicate selectively and aggressively within tumor cells, and to degrade the tumor stroma barrier that serves as a significant physical and immunosuppressive barrier to cancer treatment; (2) SYN-004 (ribaxamase) which is designed to degrade certain commonly used IV beta-lactam antibiotics within the gastrointestinal (GI) tract to prevent microbiome damage, thereby limiting overgrowth of pathogenic organisms such as VRE (vancomycin resistant Enterococci) and reducing the incidence and severity of acute graft-versus-host-disease (aGVHD) in allogeneic hematopoietic cell transplant (HCT) recipients; and (3) SYN-020, a recombinant oral formulation of the enzyme intestinal alkaline phosphatase (IAP) produced under cGMP conditions and intended to treat both local GI and systemic diseases. For more information, please visit Theriva Biologics’ website at www.therivabio.com. For further information, please contact:Investor Relations:Chris CalabreseLifeSci Advisors, LLCccalabrese@lifesciadvisors.com917-680-5608Source: Theriva Biologics, Inc.

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100 项与重组抗EGFR单抗(深圳龙瑞药业有限公司) 相关的药物交易

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适应症	最高研发状态	国家/地区	公司	日期
转移性结直肠癌	临床1期	中国	深圳龙瑞药业有限公司	2020-07-20
转移性结直肠癌	临床1期	中国	兴盟生物科技（北京）有限公司	2020-07-20
恶性上皮肿瘤	临床1期	美国	兴盟生物科技股份有限公司	2020-04-09
晚期恶性实体瘤	临床1期	中国	深圳龙瑞药业有限公司	2017-11-13
晚期恶性实体瘤	临床1期	中国	兴盟生物科技（北京）有限公司	2017-11-13
乳腺癌	临床1期	美国	兴盟生物科技股份有限公司	2015-05-01
结肠癌	临床1期	美国	兴盟生物科技股份有限公司	2015-05-01
弥漫性大B细胞淋巴瘤	临床1期	美国	兴盟生物科技股份有限公司	2015-05-01
头颈部肿瘤	临床1期	美国	兴盟生物科技股份有限公司	2015-05-01